Question

A shoe box in the shape of a rectangular prism measures 12in by 7in by 4in. What is the surface area of the shoe box?

Answer 1

320 sq in

Explanation:

SA(rect prism) = 2(lw)+2(wh)+2(lh)

= 2(12·7)+2(7·4)+2(12·4)

= 2(84)+2(28)+2(48)

= 168+56+96

= 320